//=>STRUCT TRONG DU AN
//=> Thong tin sach
typedef struct {
	char name[255];
	char author[255]; //tac gia
	char publisher[255]; //nha xuat ban
	int releaseYear;
	int price;
} bookInfo;

//=> Thong tin khach hang
typedef struct {
	char name[255];
	char address[255];
	char age[255];
	char sex[5];
	char job[150];
	char phone[15];
	char email[255];
	char bankAccount[255];
	char password[255];
} customerInfo;

